1975

4.5

2021

6.2

2012

9.7

1998

6.2

5.0

1974

6.3

2015

6.4

2013

4.0

2014

5.9

1944

5.0

1994

5.2

2009

5.4

2019

9.8

2023

7.8

2003

4.0

2009

8.5

2018

6.8

6.4

2014

10.0